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melandhikrhamser melandhikrhamser
  • 17-11-2015
  • Mathematics
Answered

The best rule of thumb in assessment is to be sure children understand one-digit numbers before going on to:

Asubtraction.
Btwo-digit addition.
Cthree-digit addition.
Dregrouping.

Verified Answer :

jeremybradley jeremybradley
  • 17-11-2015

before going to B.two-digit addition

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